Home / 1,555,880.98-2,147,107.73-902,639.10

Finding the Fourth Proportional to 1,555,880.98, 2,147,107.73 and 902,639.10

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Solution

The fourth proportional to 1,555,880.98, 2,147,107.73 and 902,639.10 is: 1,245,637.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,880.98 : 2,147,107.73 = 902,639.10 : x
  2. Step 2: Convert to fraction form
    1,555,880.98/2,147,107.73 = 902,639.10/x
  3. Step 3: Cross multiply
    1,555,880.98x = 2,147,107.73 × 902,639.10
  4. Step 4: Simplify right side
    1,555,880.98x = 1,938,063,389,010.24
  5. Step 5: Solve for x
    x = 1,938,063,389,010.24/1,555,880.98
  6. Step 6: Final answer
    x = 1,245,637.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.